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Service bulletins for the 2025 Ram 3500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

355 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
21-028-25 REV. A2025-05-14. Service bulletin. POWER TRAIN. "Flash: Transmission Control Module (TCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. Customers may also experience the following: ● Vehicle enters into limp home mode This bulletin involves inspecting the TCM software level and possibly reprogramming the TCM with the latest available software"
18-021-252025-04-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. "Flash: Powertrain Control Module (PCM) Updates Customers may comment on one or more of the following: ● Malfunction Indicator Lamp (MIL) or check engine light illuminated. ● Cruise control drops out/cancels on its own. ● Engine stumble, runs rough, or a slight lack of power. The following software enhancements are also available: ● Reduce the occurrence of false faults DTCs P0300 and P0315. ● DTC P1451 retune to reduce false faults. ● Improvements to allow DTC P2509 faults to be cleared with wiTECH. ● Adaptive Cruise Control (ACC) software fix to prevent cruise control dropouts. ● Engine stumble fix for improved drivability ● Engine stall detection allowing DTC P032F to clear after a power cycle. ● Allow multiple PROXI rewrites. ● Enable cold reprime (DTC P208B improvement). This bulletin involves reprogramming the Engine Control Module (ECM/PCM) with the latest available software"
21-028-252025-04-09. Service bulletin. POWER TRAIN. " Flash: Transmission Control Module (TCM) Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. Customers may also experience the following: ● Vehicle enters into limp home mode. This bulletin involves inspecting the TCM software level and possibly reprogramming the TCM with the latest available software."
S25180000012025-03-28. Service bulletin. POWER TRAIN. "Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0315 – No Crank Sensor Learned."
1034752025-03-04. Service bulletin. POWER TRAIN. VALVE BODY & CONTROL UNIT - TRANSMISSION

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.